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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag strikes near Coquimbo in Chile



Earthquake location -29.8657S, -72.0264WA minor earthquake magnitude 3.9 (ml/mb) strikes 66 kilometers (41 miles) from Coquimbo in Chile on Sunday. Exact time and date of earthquake 21/09/15 / 2015-09-21 00:19:50 / September 21, 2015 @ 12:19 am UTC/GMT. The temblor was picked up at 19:19:50 / 7:19 pm (local time epicenter). The epicenter was at a depth of 18.43 km (11 miles). Id of earthquake: us10003l8g. Event ids that are associated: us10003l8g. Exact location of event, depth 18.43 km, -72.0264° West, -29.8657° South.

Nearest cities/city/villages to epicentrum/hypocenter was La Serena, Coquimbo (min 5000 pop). Close country/countries that might be effected, Chile (c. 16 746 000 pop). Epicenter of the event was 67 km (42 miles) from Coquimbo (c. 161 300 pop), 75 km (47 miles) from La Serena (c. 154 500 pop).

In the past 24 hours, there have been sixty-four, in the last 10 days one hundred and nine, in the past 30 days one hundred and fourteen and in the last 365 days one hundred and thirty-three earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 66 km W of Coquimbo, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -72.0264° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -29.8657° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 18.43 km Depth of the event in kilometers.
Place 66km W of Coquimbo, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-21 00:19:50 Time when the event occurred. UTC/GMT
Updated 2015-10-10 23:57:02 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 234 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.686 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 131 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10003l8g Id of event.
Event Code 10003l8g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003l8g, A comma-separated list of event ids that are associated to an event.

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